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> 2006
> Diversified sla phase loss monitor
Diversified sla phase loss monitor
This is a working phase monitor that came out of a control panel on a research & developement panel and was found in one of my storage pods.
The Diversified SLA Series is designed to protect three-phase equipment against Phase Loss, Under Voltage, and Phase Reversal conditions. With normal operating voltages applied in the proper ABC sequence, the internal relay will energize (PICKUP). When incorrect phase sequence or phase loss occurs or the three-phase voltages fall below the drop out voltages, the relay will de-energize (DROPOUT). Both Delta and Wye systems may be monitored with the ATC Diversified SLA monitors. In Wye systems, connections to neutral are not required.
The SLA unit has out put ratings of DPDT, 345 VA Inductive; 10 Amps Resistive @ 240 VAC. The drop out voltage is 357-398 on 1 phase and 387-432 on 3 phase. The SLA440ASA requires an octal plug in socket and has a screwdriver adustment. The operating voltage range is 430-480 VAC. ATC Diversified part number is SLA440ASA.
